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1．He was a good swimmer, so he swim to the bank when the boat turned over． A．must B．was able to C．could D．might 【查看更多】

 

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He was a good swimmer,so he ________ swim to the bank when the boat turned over．


  1. A.
    could
  2. B.
    was able to
  3. C.
    should
  4. D.
    might

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He was a good swimmer,so he ________ swim to the bank when the boat turned over．

[　　]

A．could

B．was able to

C．should

D．might

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